Eaton DH266FWKV Heavy Duty Fusible Safety Switch - UL Listed
Part Number: DH266FWKV
Quick Summary
The Eaton DH266FWKV heavy duty fusible safety switch provides reliable power control for rugged industrial applications. Addressing downtime and safety compliance issues, it integrates with corrosion-resistant enclosures to minimize maintenance. Key certifications include UL Listed and NEMA 4X stainless enclosure, supporting NEC 230.62 barriers and rugged service. This model offers scalable amperage up to 600 A and a 600 V rating, delivering operational efficiency for EHS-compliant facilities. With two-pole configuration and simple field wiring, installation reduces setup time and improves fault isolation. Designed for heavy industrial duty, the HDSS-rated enclosure withstands corrosive environments and demanding temperatures. This combination supports compliance, uptime, and safer maintenance workflows across manufacturing facilities.
Product Information
Extended Description
DH266FWKV Eaton: Eaton Heavy duty single-throw fused safety switch, Corrosion resistant, enhanced visible blade, 600 A, NEMA 4X, 304 stainless steel, Two-pole, Two-wire, 600 V, Max Hp: 50 at 250 Vdc, (1)#2-(1)600 kcmil and (1)#1/0-(1)750 kcmil Cu/Al
Product Name
Eaton heavy duty fusible safety switch
Catalog Number
DH266FWKV
UPC
786685971803
Product Length/Depth
64 in
Product Height
13 in
Product Width
26 in
Product Weight
140 lb
Compliances
NEC 230.62 (C) Compliant Barrier
Certifications
UL Listed
Catalog Notes
Heavy Duty Safety Switch (HDSS)
Enclosure
NEMA 4X
Enclosure material
305 stainless steel
Fuse class provision
Class H
Fuse configuration
Fusible without neutral
Number Of Poles
Two-pole
Number of wires
2
Type
Heavy duty fusible safety switch
Amperage Rating
600A
HP rating - max
50 at 250 Vdc
NEMA rating
NEMA 4X (Stainless)
Voltage rating
600 V
Corrosion-resistant enclosure and durability: The enclosure is NEMA 4X, 304 stainless steel, and designed to resist washdown and outdoor exposure. This reduces ongoing maintenance, protects internal contacts, and extends service life in harsh environments. Applications include food processing, chemical plants, and wastewater treatment where reliability is critical. High impact on uptime and safety translates to lower lifecycle costs. High current and voltage capability with flexible wiring: Rated for 600 A and 600 V, it handles demanding motor loads and feeders. Conductors range from #2 to 750 kcmil Cu/Al, enabling seamless integration with existing wire schedules. The two-pole, two-wire configuration simplifies installation, lowers fault paths, and speeds commissioning in panel builds and MCCs. Compliance and protective features: UL Listed with NEC 230.62 barrier support and enhanced visible blade for quick status checks. Fuse configuration is fusible without neutral with Class H fuses, delivering selective coordination and dependable protection for motor circuits and feeders. Compatibility and installation efficiency: The unit fits alongside standard MCC gear without adapters, reducing integration risk. Its footprint and mass (64 in L × 26 in W × 13 in H, 140 lb) support large switchgear while maintaining straightforward installation. ROI and maintenance impact: Long-term corrosion resistance and UL-listed protection reduce replacement costs and maintenance intervals, delivering measurable total cost of ownership benefits for heavy industries.
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FAQs
The DH266FWKV is engineered for rugged industrial power control in harsh environments. Its NEMA 4X, 304 stainless steel enclosure resists corrosion and washdown exposure, making it suitable for outdoor substations, manufacturing floors, and chemical plants. With two poles, two wires, and Class H fuse provision, it handles up to 600 A at 600 V, protecting motors and feeders reliably.
This safety switch ships UL Listed and aligns with NEC 230.62 barrier requirements, reinforcing safe operator interactions and compliant installations. The unit features an enhanced visible blade for quick status checks and a corrosion-resistant enclosure, reducing maintenance and downtime. Fuse configuration is fusible without neutral with Class H fuses, enabling reliable protection for motor circuits and power feeders.
The switch is rated for 600 A and 600 V, with a maximum HP of 50 at 250 Vdc, supporting motor and feeder protection in demanding lines. It accepts conductors from #2 to 750 kcmil Cu/Al, enabling flexible integration into existing panel schedules. Two-pole, two-wire configuration simplifies wiring, reduces fault paths, and speeds field installation.
Yes. The DH266FWKV is UL Listed and uses a NEMA 4X corrosion-resistant enclosure suitable for industrial control panels and harsh environments. Its 304 stainless steel enclosure and barrier compliance support NEC-based installations, while its fusible class provision and two-pole design align with common MCC and switchgear configurations. It integrates alongside standard control devices without requiring special adapters, reducing system complexity.
Deploying the DH266FWKV typically reduces maintenance and downtime due to its corrosion-resistant, long-life enclosure and UL-listed protection. The 600 A rating supports high-load motors with minimal nuisance tripping, while robust fault isolation simplifies servicing. The durable stainless enclosure withstands washdown and chemical exposure, lowering replacement costs and extending service intervals, delivering measurable total cost of ownership improvements for heavy industries.